manlin.asm

基于单片机的音乐门铃可预存6首歌曲

ORG 00H
JMP START
ORG OBH
JMP TIM0
START: MOV TMOD,#00000001B
       MOV IE,#10000010B
		 JB P3.4,$
		 CALL DELAY1
		 JNB P3.4,$
		 MOV 31H,#00
 START0: 
       MOV 30H,#LOW SONG
	NEXT: 
	    MOV  A,30H
		 OOV  DPTR,#TABLE
		 MOVC A,@A+DPTR
		 MOV R2,A
		 JZ END0
		 ANL A,#0FH
		 MOV R5,A
		 MOV A,R2
		 SWAP A
		 ANL A,#0FH
		 JNZ SING
		 CLR TR0
		 JMP D1
  SING:
       DEC A
		 MOV 22H,A
		 RL A
		 MOV DPTR,#TABLE
		 MOVC A,@A+DPTR
		 MOV TH0,A
		 MOV 21H,A
		 MOV A,22H
		 RL A
		 INC A 
		 MOVC A,@A+DPTR
		 MOV TL0,A
		 MOV 20H,A
		 SETB TR0
	D1: CALL DELAY
	    INC 30H
		 JMP NEXT
 END0: CLR TR0
	    MOV A,31H
 		 XRL A,#00H
		 JNZ END1
		 JB P3.4,$
		 CALL DELAY1
		 JNB P3.4,$
		 INC 31H
		 MOV 30H,#LOW SONG3
		 JMP NEXT
 END3: MOV A,31H
       XRL A,#03H
		 JNZ END4
		 JB P3.4,$
		 CALL DELAY1
		 JNB P3.4,$
		 INC 31H
		 MOV 30H,#LOW SONG4
		 JMP NEXT
 END4:MOV A,31H
       XRL A,#04H
		 JNZ END5
		 JB P3.4,$
		 CALL DELAY1
		 JNB P3.4,$
		 INC 31H
		 MOV 30H,#LOW SONG5
		 JMP NEXT
 END5: JMP START
 TIM0:
       PUSH ACC
		 PUSH PSW
		 SETB RS0
		 CLR RS1
		 MOV TL0,20H
		 MOV TH0,21H
		 CPL P1.0
		 POP PSW
		 POP ACC
		 RET1
DELAY: MOV R7,#02H
  D2:  MOV R4,#125
  D3:  MOV R3,#248
       DJNZ R3,$
		 DJNZ R4,D3
		 DJNZ R7,D2
		 DJNZ R5,DELAY
		 RET
DELAY1:MOV R4,#20
   D4: MOV R3,#248
	    DJNZ R3,$
		 DJNZ R4,D4
		 RET
		 ORG 300H
  TABLE:
       DW 64260,64400,64524,64580
		 DW 64684,64777,64820,64898
		 DW 64968,65030,65058,65110
		 DW 65157,65178,65217
	SONG: ;第1首歌 哈巴狗
	      ;1
		 DB 42H,42H,42H,52H,64H,04H
		 DB 62H,62H,62H,72H,84H,04H
		 DB 92H,92H,82H,72H,64H,04H
		 DB 82H,82H,52H,62H,44H,04H
		   ;2
		 DB 42H,42H,42H,52H,64H,04H
		 DB 62H,62H,62H,72H,84H,04H
		 DB 92H,92H,82H,72H,64H,04H
		 DB 82H,82H,52H,62H,44H,04H
		 DB 00H
  SONG1:  ;第2首歌 生日快乐
        ;1
		 DB 82H,01H,81H,94H,84H
		 DB 0B4H,0A4H,04H
		 DB 82H,01H,81H,94H,84H
		 DB 0C4H,0B4H,04H
		  ;2
		 DB 82H,01H,81H,0F4H,0D4H
		 DB 0B4H,0A4H,94H
		 DB 0E2H,01H,0F1H,0D4H,0B4H
		 DB 0C4H,0B4H,04H
		 DB 00H
  SONG2: ;第3首歌 不倒翁
       ;1
		 DB 84H,94H,88H
		 DB 64H,54H,68H
		 DB 84H,64H,54H,44H
		 DB 62H,82H,42H,62H,58H
		 ;2
       DB 84H,94H,88H
		 DB 64H,54H,68H
		 DB 84H,64H,54H,44H
		 DB 52H,42H,52H,62H,48H
		 DB 00H
  SONG3: ;第四首歌 妹妹背着洋娃娃
       ;1
		 DB 84H,02H,82H,64H,54H
		 DB 64H,54H,48H
		 DB 64H,02H,52H,44H,24H
		 DB 14H,24H,18H
		 ;2
       DB 24H,02H,22H,42H,24H
		 DB 44H,54H,68H
		 DB 54H,02H,52H,84H,84H
		 DB 54H,64H,48H
		 DB 00H
	SONG4:;第五首歌 两只老虎
	     ;1
		 DB 44H,54H,64H,44H
		 DB 44H,54H,64H,44H
		 DB 64H,74H,88H
		 DB 64H,74H,88H
		 ;2
		 DB 82H,92H,82H,72H,64H,44H
		 DB 82H,92H,82H,72H,64H,44H
		 DB 44H,84H,48H
		 DB 44H,84H,48H
		 DB 00H
	SONG5: ; 第六首歌 三只小猫
	    ;1
		 DB 62H,82H,82H,62H,98H
		 DB 92H,0B2H,0B2H,82H,98H
		 DB 62H,82H,82H,52H,68H
		 DB 92H,0B2H,0B2H,82H,98H
		 ;2
		 DB 62H,82H,82H,62H,92H,92H,94H
		 DB 92H,0B2H,0B2H,92H,84H,94H
		 DB 0B8H,0B4H,04H
		 DB 00H
		 END